diff options
Diffstat (limited to 'src/H5VLcallback.c')
| -rw-r--r-- | src/H5VLcallback.c | 2999 |
1 files changed, 2587 insertions, 412 deletions
diff --git a/src/H5VLcallback.c b/src/H5VLcallback.c index d7c1f5a..9845960 100644 --- a/src/H5VLcallback.c +++ b/src/H5VLcallback.c @@ -75,11 +75,108 @@ /*------------------------------------------------------------------------- + * Function: H5VLinitialize + * + * Purpose: Calls the plugin-specific callback to initialize the plugin. + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLinitialize(hid_t plugin_id, hid_t vipl_id) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE2("e", "ii", plugin_id, vipl_id); + + /* Check args */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Invoke class' callback, if there is one */ + if(cls->initialize && cls->initialize(vipl_id) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "VOL plugin did not initialize") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLinitialize() */ + + +/*------------------------------------------------------------------------- + * Function: H5VLterminate + * + * Purpose: Calls the plugin-specific callback to terminate the plugin. + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLterminate(hid_t plugin_id) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE1("e", "i", plugin_id); + + /* Check args */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Invoke class' callback, if there is one */ + if(cls->terminate && cls->terminate() < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "VOL plugin did not terminate cleanly") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLterminate() */ + + +/*--------------------------------------------------------------------------- + * Function: H5VLget_cap_flags + * + * Purpose: Retrieves the capability flag for a plugin + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLget_cap_flags(hid_t plugin_id, unsigned *cap_flags) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE2("e", "i*Iu", plugin_id, cap_flags); + + /* Check args */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Retrieve capability flags */ + if(cap_flags) + *cap_flags = cls->cap_flags; + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLget_cap_flags */ + + +/*------------------------------------------------------------------------- * Function: H5VL_copy_plugin_info * * Purpose: Copy the VOL info for a plugin * - * Return: SUCCEED / FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -119,6 +216,38 @@ done: } /* end H5VL_copy_plugin_info() */ +/*--------------------------------------------------------------------------- + * Function: H5VLcopy_plugin_info + * + * Purpose: Copies a VOL plugin's info object + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLcopy_plugin_info(hid_t plugin_id, void **dst_vol_info, void *src_vol_info) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("e", "i**x*x", plugin_id, dst_vol_info, src_vol_info); + + /* Check args and get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Copy the VOL plugin's info object */ + if(H5VL_copy_plugin_info(cls, dst_vol_info, src_vol_info) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOPY, FAIL, "unable to copy VOL plugin info object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLcopy_plugin_info() */ + + /*------------------------------------------------------------------------- * Function: H5VL_cmp_plugin_info * @@ -167,12 +296,50 @@ done: } /* end H5VL_cmp_plugin_info() */ +/*--------------------------------------------------------------------------- + * Function: H5VLcmp_plugin_info + * + * Purpose: Compares two plugin info objects + * + * Note: Both info objects must be from the same VOL plugin class + * + * Return: Success: Non-negative, with *cmp set to positive if + * info1 is greater than info2, negative if info2 + * is greater than info1 and zero if info1 and info2 + * are equal. + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLcmp_plugin_info(int *cmp, hid_t plugin_id, const void *info1, const void *info2) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE4("e", "*Isi*x*x", cmp, plugin_id, info1, info2); + + /* Check args and get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Compare the two VOL plugin info objects */ + if(cmp) + *cmp = H5VL_cmp_plugin_info(cls, info1, info2); + +done: + FUNC_LEAVE_API(ret_value) +} /* H5VLcmp_plugin_info() */ + + /*------------------------------------------------------------------------- * Function: H5VL_free_plugin_info * * Purpose: Free VOL info for a plugin * - * Return: SUCCEED / FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -202,12 +369,81 @@ done: } /* end H5VL_free_plugin_info() */ +/*--------------------------------------------------------------------------- + * Function: H5VLfree_plugin_info + * + * Purpose: Free VOL plugin info object + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLfree_plugin_info(hid_t plugin_id, void *info) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE2("e", "i*x", plugin_id, info); + + /* Check args and get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Free the VOL plugin info object */ + if(H5VL_free_plugin_info(cls, info) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "unable to release VOL plugin info object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLfree_plugin_info() */ + + +/*--------------------------------------------------------------------------- + * Function: H5VLget_object + * + * Purpose: Retrieves an underlying object. + * + * Return: Success: Non-NULL + * Failure: NULL + * + *--------------------------------------------------------------------------- + */ +void * +H5VLget_object(void *obj, hid_t plugin_id) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE2("*x", "*xi", obj, plugin_id); + + /* Check args */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Check for 'get_object' callback in plugin */ + if(cls->get_object) + ret_value = (cls->get_object)(obj); + else + ret_value = obj; + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLget_object */ + + /*------------------------------------------------------------------------- * Function: H5VL_get_wrap_ctx * * Purpose: Retrieve the VOL object wrapping context for a plugin * - * Return: SUCCEED / FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -240,12 +476,45 @@ done: } /* end H5VL_get_wrap_ctx() */ +/*--------------------------------------------------------------------------- + * Function: H5VLget_wrap_ctx + * + * Purpose: Get a VOL plugin's object wrapping context + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLget_wrap_ctx(void *obj, hid_t plugin_id, void **wrap_ctx) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("e", "*xi**x", obj, plugin_id, wrap_ctx); + + /* Check args and get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Get the VOL plugin's object wrapper */ + if(H5VL_get_wrap_ctx(cls, obj, wrap_ctx) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "unable to retrieve VOL plugin object wrap context") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLget_wrap_ctx() */ + + /*------------------------------------------------------------------------- * Function: H5VL_free_wrap_ctx * * Purpose: Free object wrapping context for a plugin * - * Return: SUCCEED / FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -271,12 +540,45 @@ done: } /* end H5VL_free_plugin_info() */ +/*--------------------------------------------------------------------------- + * Function: H5VLfree_wrap_ctx + * + * Purpose: Release a VOL plugin's object wrapping context + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLfree_wrap_ctx(void *wrap_ctx, hid_t plugin_id) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE2("e", "*xi", wrap_ctx, plugin_id); + + /* Check args and get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Release the VOL plugin's object wrapper */ + if(H5VL_free_wrap_ctx(cls, wrap_ctx) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "unable to release VOL plugin object wrap context") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLfree_wrap_ctx() */ + + /*------------------------------------------------------------------------- * Function: H5VL_wrap_object * * Purpose: Wrap an object with plugin * - * Return: SUCCEED / FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -305,13 +607,46 @@ done: } /* end H5VL_wrap_object() */ +/*--------------------------------------------------------------------------- + * Function: H5VLwrap_object + * + * Purpose: Asks a plugin to wrap an underlying object. + * + * Return: Success: Non-NULL + * Failure: NULL + * + *--------------------------------------------------------------------------- + */ +void * +H5VLwrap_object(void *obj, hid_t plugin_id, void *wrap_ctx) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("*x", "*xi*x", obj, plugin_id, wrap_ctx); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Wrap the object */ + if(NULL == (ret_value = H5VL_wrap_object(cls, wrap_ctx, obj))) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, NULL, "unable to wrap object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* H5VLwrap_object */ + + /*------------------------------------------------------------------------- * Function: H5VL_attr_create * * Purpose: Creates an attribute through the VOL * - * Return: Success: pointer to the new attribute - * + * Return: Success: Pointer to the new attribute * Failure: NULL * *------------------------------------------------------------------------- @@ -325,13 +660,12 @@ H5VL_attr_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cl FUNC_ENTER_NOAPI(NULL) /* check if the corresponding VOL create callback exists */ - if (NULL == cls->attr_cls.create) + if(NULL == cls->attr_cls.create) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'attr create' method") - /* call the corresponding VOL create callback */ - if (NULL == (ret_value = (cls->attr_cls.create) - (obj, loc_params, name, acpl_id, aapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "create failed") + /* Call the corresponding VOL create callback */ + if(NULL == (ret_value = (cls->attr_cls.create)(obj, loc_params, name, acpl_id, aapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "create failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -339,31 +673,65 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_create + * + * Purpose: Creates an attribute + * + * Return: Success: Pointer to the new attribute + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLattr_create(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t acpl_id, hid_t aapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("*x", "*xxi*siii**x", obj, loc_params, plugin_id, name, acpl_id, + aapl_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_attr_create(obj, loc_params, cls, name, acpl_id, aapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "unable to create attribute") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_create() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_open * * Purpose: Opens an attribute through the VOL * - * Return: Success: pointer to the new attr. - * + * Return: Success: Pointer to the attribute * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_attr_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t aapl_id, hid_t dxpl_id, void **req) + hid_t aapl_id, hid_t dxpl_id, void **req) { - void *ret_value = NULL; /* Return value */ + void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the type specific corresponding VOL open callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.open) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'attr open' method") - /* call the corresponding VOL open callback */ - if(NULL == (ret_value = (cls->attr_cls.open) - (obj, loc_params, name, aapl_id, dxpl_id, req))) + /* Call the corresponding VOL open callback */ + if(NULL == (ret_value = (cls->attr_cls.open) (obj, loc_params, name, aapl_id, dxpl_id, req))) HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "attribute open failed") done: @@ -372,27 +740,65 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_open + * + * Purpose: Opens an attribute + * + * Return: Success: Pointer to the attribute + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLattr_open(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t aapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("*x", "*xxi*sii**x", obj, loc_params, plugin_id, name, aapl_id, + dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_attr_open(obj, loc_params, cls, name, aapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "unable to open attribute") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_read * * Purpose: Reads data from attr through the VOL * - * Return: Success: Non Negative - * - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_attr_read(void *attr, const H5VL_class_t *cls, hid_t mem_type_id, void *buf, - hid_t dxpl_id, void **req) + hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.read) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr read' method") - if((ret_value = (cls->attr_cls.read)(attr, mem_type_id, buf, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "read failed") + + /* Call the corresponding VOL callback */ + if((cls->attr_cls.read)(attr, mem_type_id, buf, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_READERROR, FAIL, "attribute read failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -400,27 +806,63 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_read + * + * Purpose: Reads data from an attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_read(void *attr, hid_t plugin_id, hid_t mem_type_id, void *buf, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + + /* Check args and get class pointer */ + if(NULL == attr) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_attr_read(attr, cls, mem_type_id, buf, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "unable to read attribute") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_read() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_write * * Purpose: Writes data to attr through the VOL * - * Return: Success: Non Negative - * - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ -herr_t H5VL_attr_write(void *attr, const H5VL_class_t *cls, hid_t mem_type_id, const void *buf, - hid_t dxpl_id, void **req) +herr_t +H5VL_attr_write(void *attr, const H5VL_class_t *cls, hid_t mem_type_id, const void *buf, + hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.write) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr write' method") - if((ret_value = (cls->attr_cls.write)(attr, mem_type_id, buf, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "write failed") + + /* Call the corresponding VOL callback */ + if((cls->attr_cls.write)(attr, mem_type_id, buf, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_WRITEERROR, FAIL, "write failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -428,32 +870,67 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_write + * + * Purpose: Writes data to an attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_write(void *attr, hid_t plugin_id, hid_t mem_type_id, const void *buf, + hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + + /* Check args and get class pointer */ + if(NULL == attr) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_attr_write(attr, cls, mem_type_id, buf, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_WRITEERROR, FAIL, "unable to write attribute") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_write() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_get * * Purpose: Get specific information about the attribute through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_attr_get(void *obj, const H5VL_class_t *cls, H5VL_attr_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr get' method") - va_start (arguments, req); - if((ret_value = (cls->attr_cls.get)(obj, get_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->attr_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -461,32 +938,72 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_get + * + * Purpose: Gets information about the attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_get(void *obj, hid_t plugin_id, H5VL_attr_get_t get_type, hid_t dxpl_id, + void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVai**xx", obj, plugin_id, get_type, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->attr_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `attr get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->attr_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to get attribute information") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_specific * * Purpose: specific operation on attributes through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_attr_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, - H5VL_attr_specific_t specific_type, hid_t dxpl_id, void **req, ...) + H5VL_attr_specific_t specific_type, hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr specific' method") - va_start (arguments, req); - if((ret_value = (cls->attr_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->attr_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute attribute specific callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -494,31 +1011,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_specific + * + * Purpose: Performs a plugin-specific operation on an attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_specific(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, + H5VL_attr_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("e", "*xxiVbi**xx", obj, loc_params, plugin_id, specific_type, + dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Bypass the H5VLint layer */ + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->attr_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `attr specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->attr_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute attribute specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_optional * * Purpose: optional operation specific to plugins. * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_attr_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->attr_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr optional' method") - va_start (arguments, req); - if((ret_value = (cls->attr_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->attr_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute attribute optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -526,31 +1085,71 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_optional + * + * Purpose: Performs an optional plugin-specific operation on an attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->attr_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `attr optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->attr_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute attribute optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_attr_close * * Purpose: Closes an attribute through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_attr_close(void *attr, const H5VL_class_t *cls, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ + /* Sanity check */ HDassert(attr); HDassert(cls); FUNC_ENTER_NOAPI(FAIL) /* Check if the corresponding VOL callback exists */ - if (NULL == cls->attr_cls.close) + if(NULL == cls->attr_cls.close) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'attr close' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->attr_cls.close)(attr, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "close failed") + if((cls->attr_cls.close)(attr, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "close failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -558,32 +1157,64 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLattr_close + * + * Purpose: Closes an attribute + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLattr_close(void *attr, hid_t plugin_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE4("e", "*xii**x", attr, plugin_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == attr) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_attr_close(attr, cls, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "unable to close attribute") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLattr_close() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_create * * Purpose: Creates a dataset through the VOL * - * Return: Success: pointer to dataset - * + * Return: Success: Pointer to new dataset * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_dataset_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req) + hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req) { - void *ret_value = NULL; /* Return value */ + void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL create callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.create) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'dataset create' method") - /* call the corresponding VOL create callback */ - if(NULL == (ret_value = (cls->dataset_cls.create) - (obj, loc_params, name, dcpl_id, dapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "create failed") + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->dataset_cls.create)(obj, loc_params, name, dcpl_id, dapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "create failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -591,31 +1222,65 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_create + * + * Purpose: Creates a dataset + * + * Return: Success: Pointer to the new dataset + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLdataset_create(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("*x", "*xxi*siii**x", obj, loc_params, plugin_id, name, dcpl_id, + dapl_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_dataset_create(obj, loc_params, cls, name, dcpl_id, dapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "unable to create dataset") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_create() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_open * * Purpose: Opens a dataset through the VOL * - * Return: Success: pointer to dataset - * + * Return: Success: Pointer to dataset * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_dataset_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t dapl_id, hid_t dxpl_id, void **req) + hid_t dapl_id, hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the type specific corresponding VOL open callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.open) - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'dset open' method") + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'dataset open' method") - /* call the corresponding VOL open callback */ - if(NULL == (ret_value = (cls->dataset_cls.open) - (obj, loc_params, name, dapl_id, dxpl_id, req))) + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->dataset_cls.open)(obj, loc_params, name, dapl_id, dxpl_id, req))) HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "dataset open failed") done: @@ -624,13 +1289,48 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_open + * + * Purpose: Opens a dataset + * + * Return: Success: Pointer to the new dataset + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLdataset_open(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t dapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("*x", "*xxi*sii**x", obj, loc_params, plugin_id, name, dapl_id, + dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_dataset_open(obj, loc_params, cls, name, dapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "unable to open dataset") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_read * * Purpose: Reads data from dataset through the VOL * - * Return: Success: Non Negative - * - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -639,13 +1339,16 @@ H5VL_dataset_read(void *dset, const H5VL_class_t *cls, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, void *buf, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.read) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dataset read' method") - if((ret_value = (cls->dataset_cls.read)(dset, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req)) < 0) + + /* Call the corresponding VOL callback */ + if((cls->dataset_cls.read)(dset, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req) < 0) HGOTO_ERROR(H5E_VOL, H5E_READERROR, FAIL, "read failed") done: @@ -654,13 +1357,48 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_read + * + * Purpose: Reads data from a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_read(void *dset, hid_t plugin_id, hid_t mem_type_id, hid_t mem_space_id, + hid_t file_space_id, hid_t plist_id, void *buf, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("e", "*xiiiii*x**x", dset, plugin_id, mem_type_id, mem_space_id, + file_space_id, plist_id, buf, req); + + /* Check args and get class pointer */ + if(NULL == dset) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_dataset_read(dset, cls, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "unable to read dataset") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_read() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_write * * Purpose: Writes data from dataset through the VOL * - * Return: Success: Non Negative - * - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ @@ -668,14 +1406,16 @@ herr_t H5VL_dataset_write(void *dset, const H5VL_class_t *cls, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, const void *buf, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.write) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dataset write' method") - if((ret_value = (cls->dataset_cls.write) - (dset, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req)) < 0) + + /* Call the corresponding VOL callback */ + if((cls->dataset_cls.write)(dset, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req) < 0) HGOTO_ERROR(H5E_VOL, H5E_WRITEERROR, FAIL, "write failed") done: @@ -684,32 +1424,69 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_write + * + * Purpose: Writes data to a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_write(void *dset, hid_t plugin_id, hid_t mem_type_id, hid_t mem_space_id, + hid_t file_space_id, hid_t plist_id, const void *buf, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("e", "*xiiiii*x**x", dset, plugin_id, mem_type_id, mem_space_id, + file_space_id, plist_id, buf, req); + + /* Check args and get class pointer */ + if(NULL == dset) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_dataset_write(dset, cls, mem_type_id, mem_space_id, file_space_id, plist_id, buf, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "unable to write dataset") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_write() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_get * * Purpose: Get specific information about the dataset through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_dataset_get(void *dset, const H5VL_class_t *cls, H5VL_dataset_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dataset get' method") - va_start (arguments, req); - if((ret_value = (cls->dataset_cls.get)(dset, get_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->dataset_cls.get)(dset, get_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -717,33 +1494,72 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_get + * + * Purpose: Gets information about a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_get(void *dset, hid_t plugin_id, H5VL_dataset_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVci**xx", dset, plugin_id, get_type, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == dset) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->dataset_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `dataset get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->dataset_cls.get)(dset, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute dataset get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_specific * * Purpose: specific operation on datasets through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_dataset_specific(void *obj, const H5VL_class_t *cls, H5VL_dataset_specific_t specific_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dataset specific' method") - va_start (arguments, req); - if((ret_value = (cls->dataset_cls.specific) - (obj, specific_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->dataset_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute dataset specific callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -751,31 +1567,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_specific + * + * Purpose: Performs a plugin-specific operation on a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_specific(void *obj, hid_t plugin_id, H5VL_dataset_specific_t specific_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVdi**xx", obj, plugin_id, specific_type, dxpl_id, req, + arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->dataset_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `dataset specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->dataset_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute dataset specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_optional * * Purpose: optional operation specific to plugins. * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_dataset_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_dataset_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->dataset_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dataset optional' method") - va_start (arguments, req); - if((ret_value = (cls->dataset_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->dataset_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute dataset optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -783,63 +1641,137 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdataset_optional + * + * Purpose: Performs an optional plugin-specific operation on a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, + va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->dataset_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `dataset optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->dataset_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute dataset optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_dataset_close * * Purpose: Closes a dataset through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_dataset_close(void *dset, const H5VL_class_t *cls, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Sanity check */ HDassert(dset); HDassert(cls); /* Check if the corresponding VOL callback exists */ - if (NULL == cls->dataset_cls.close) + if(NULL == cls->dataset_cls.close) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'dset close' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->dataset_cls.close)(dset, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "close failed") + if((cls->dataset_cls.close)(dset, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "close failed") done: - FUNC_LEAVE_NOAPI(ret_value) } /* end H5VL_dataset_close() */ /*------------------------------------------------------------------------- + * Function: H5VLdataset_close + * + * Purpose: Closes a dataset + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdataset_close(void *dset, hid_t plugin_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE4("e", "*xii**x", dset, plugin_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == dset) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_dataset_close(dset, cls, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "unable to close dataset") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdataset_close() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_create * * Purpose: Creates a file through the VOL * - * Return: Success: pointer to file. - * + * Return: Success: Pointer to new file * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_file_create(const H5VL_class_t *cls, const char *name, unsigned flags, hid_t fcpl_id, - hid_t fapl_id, hid_t dxpl_id, void **req) + hid_t fapl_id, hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL create callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->file_cls.create) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'file create' method") - /* call the corresponding VOL create callback */ + + /* Call the corresponding VOL callback */ if(NULL == (ret_value = (cls->file_cls.create)(name, flags, fcpl_id, fapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "create failed") + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "file create failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -847,30 +1779,71 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_create + * + * Purpose: Creates a file + * + * Return: Success: Pointer to the new file + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLfile_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, + hid_t dxpl_id, void **req) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5VL_plugin_prop_t plugin_prop; /* Property for VOL plugin ID & info */ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("*x", "*sIuiii**x", name, flags, fcpl_id, fapl_id, dxpl_id, req); + + /* Get the VOL info from the fapl */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list") + if(H5P_peek(plist, H5F_ACS_VOL_DRV_NAME, &plugin_prop) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get VOL plugin info") + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_file_create(cls, name, flags, fcpl_id, fapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "unable to create file") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_create() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_open * * Purpose: Opens a file through the VOL. * - * Return: Success: pointer to file. - * + * Return: Success: Pointer to file. * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_file_open(const H5VL_class_t *cls, const char *name, unsigned flags, hid_t fapl_id, - hid_t dxpl_id, void **req) + hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL create callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->file_cls.open) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'file open' method") - /* call the corresponding VOL create callback */ + + /* Call the corresponding VOL callback */ if(NULL == (ret_value = (cls->file_cls.open)(name, flags, fapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "open failed") + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "open failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -878,30 +1851,72 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_open + * + * Purpose: Opens a file + * + * Return: Success: Pointer to the file + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLfile_open(const char *name, unsigned flags, hid_t fapl_id, hid_t dxpl_id, + void **req) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5VL_plugin_prop_t plugin_prop; /* Property for VOL plugin ID & info */ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("*x", "*sIuii**x", name, flags, fapl_id, dxpl_id, req); + + /* Get the VOL info from the fapl */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list") + if(H5P_peek(plist, H5F_ACS_VOL_DRV_NAME, &plugin_prop) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get VOL plugin info") + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_file_open(cls, name, flags, fapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "unable to open file") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_get * * Purpose: Get specific information about the file through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_file_get(void *file, const H5VL_class_t *cls, H5VL_file_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->file_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'file get' method") + /* Call the corresponding VOL callback */ va_start(arguments, req); - if((ret_value = (cls->file_cls.get)(file, get_type, dxpl_id, req, arguments)) < 0) + if((cls->file_cls.get)(file, get_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") va_end(arguments); @@ -911,60 +1926,102 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_get + * + * Purpose: Gets information about the file + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLfile_get(void *file, hid_t plugin_id, H5VL_file_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVgi**xx", file, plugin_id, get_type, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == file) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->file_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `file get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->file_cls.get)(file, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute file get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_specific * * Purpose: perform File specific operations through the VOL * - * Return: Success: non negative - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_file_specific(void *file, const H5VL_class_t *cls, H5VL_file_specific_t specific_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Special treatment of file access check */ if(specific_type == H5VL_FILE_IS_ACCESSIBLE) { H5P_genplist_t *plist; /* Property list pointer */ H5VL_plugin_prop_t plugin_prop; /* Property for VOL plugin ID & info */ va_list tmp_args; /* argument list passed from the API call */ hid_t fapl_id; - va_start (tmp_args, req); - fapl_id = va_arg (tmp_args, hid_t); - va_end (tmp_args); + /* Get the file access property list */ + va_start(tmp_args, req); + fapl_id = va_arg(tmp_args, hid_t); + va_end(tmp_args); - /* get the VOL info from the fapl */ + /* Get the VOL info from the fapl */ if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") - + HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, FAIL, "not a file access property list") if(H5P_peek(plist, H5F_ACS_VOL_DRV_NAME, &plugin_prop) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get VOL plugin info") + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get VOL plugin info") + /* Get class pointer */ if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, FAIL, "not a VOL plugin ID") - va_start (arguments, req); - if((ret_value = (cls->file_cls.specific) - (file, specific_type, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "specific failed") - va_end (arguments); - } + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->file_cls.specific)(file, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "file specific failed") + va_end(arguments); + } /* end if */ else { + /* Check if the corresponding VOL callback exists */ if(NULL == cls->file_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'file specific' method") - va_start (arguments, req); - if((ret_value = (cls->file_cls.specific) - (file, specific_type, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "specific failed") - va_end (arguments); - } + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->file_cls.specific)(file, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "file specific failed") + va_end(arguments); + } /* end else */ done: FUNC_LEAVE_NOAPI(ret_value) @@ -972,30 +2029,97 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_specific + * + * Purpose: Performs a plugin-specific operation on a file + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLfile_specific(void *file, hid_t plugin_id, H5VL_file_specific_t specific_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVhi**xx", file, plugin_id, specific_type, dxpl_id, req, + arguments); + + /* Special treatment of file access check */ + if(specific_type == H5VL_FILE_IS_ACCESSIBLE) { + H5P_genplist_t *plist; /* Property list pointer */ + H5VL_plugin_prop_t plugin_prop; /* Property for VOL plugin ID & info */ + hid_t fapl_id; + + fapl_id = va_arg(arguments, hid_t); + + /* Get the VOL info from the fapl */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + if(H5P_peek(plist, H5F_ACS_VOL_DRV_NAME, &plugin_prop) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get VOL plugin info") + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->file_cls.specific)(file, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "file specific failed") + } /* end if */ + else { + /* Check args and get class pointer */ + if(NULL == file) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->file_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `file specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->file_cls.specific)(file, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute file specific callback") + } /* end else */ + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_optional * * Purpose: perform a plugin specific operation * - * Return: Success: non negative - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_file_optional(void *file, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_file_optional(void *file, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->file_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'file optional' method") - va_start (arguments, req); - if((ret_value = (cls->file_cls.optional)(file, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "optional failed") - va_end (arguments); + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->file_cls.optional)(file, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "file optional failed") + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1003,18 +2127,58 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_optional + * + * Purpose: Performs an optional plugin-specific operation on a file + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLfile_optional(void *file, hid_t plugin_id, hid_t dxpl_id, void **req, + va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", file, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == file) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->file_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `file optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->file_cls.optional)(file, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute file optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_file_close * * Purpose: Closes a file through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_file_close(void *file, const H5VL_class_t *cls, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -1022,11 +2186,11 @@ H5VL_file_close(void *file, const H5VL_class_t *cls, hid_t dxpl_id, void **req) HDassert(cls); /* Check if the corresponding VOL callback exists */ - if (NULL == cls->file_cls.close) + if(NULL == cls->file_cls.close) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'file close' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->file_cls.close)(file, dxpl_id, req)) < 0) + if((cls->file_cls.close)(file, dxpl_id, req) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEFILE, FAIL, "close failed") done: @@ -1035,32 +2199,64 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLfile_close + * + * Purpose: Closes a file + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLfile_close(void *file, hid_t plugin_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE4("e", "*xii**x", file, plugin_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == file) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_file_close(file, cls, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEFILE, FAIL, "unable to close file") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLfile_close() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_group_create * * Purpose: Creates a group through the VOL * - * Return: Success: pointer to new group. - * + * Return: Success: Pointer to new group * Failure: NULL * *------------------------------------------------------------------------- */ void * -H5VL_group_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req) +H5VL_group_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, + const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req) { - void *ret_value = NULL; /* Return value */ + void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL create callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->group_cls.create) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'group create' method") - /* call the corresponding VOL create callback */ - if(NULL == (ret_value = (cls->group_cls.create) - (obj, loc_params, name, gcpl_id, gapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "create failed") + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->group_cls.create)(obj, loc_params, name, gcpl_id, gapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "group create failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1068,30 +2264,66 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLgroup_create + * + * Purpose: Creates a group + * + * Return: Success: Pointer to the new group + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLgroup_create(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("*x", "*xxi*siii**x", obj, loc_params, plugin_id, name, gcpl_id, + gapl_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_group_create(obj, loc_params, cls, name, gcpl_id, gapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "unable to create group") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_create() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_group_open * * Purpose: Opens a group through the VOL * - * Return: Success: pointer to new group. - * + * Return: Success: Pointer to group * Failure: NULL * *------------------------------------------------------------------------- */ void * -H5VL_group_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t gapl_id, hid_t dxpl_id, void **req) +H5VL_group_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, + const char *name, hid_t gapl_id, hid_t dxpl_id, void **req) { - void *ret_value = NULL; /* Return value */ + void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->group_cls.open) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'group open' method") - if(NULL == (ret_value = (cls->group_cls.open) - (obj, loc_params, name, gapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "open failed") + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->group_cls.open)(obj, loc_params, name, gapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "group open failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1099,33 +2331,69 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLgroup_open + * + * Purpose: Opens a group + * + * Return: Success: Pointer to the group + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLgroup_open(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, const char *name, + hid_t gapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("*x", "*xxi*sii**x", obj, loc_params, plugin_id, name, gapl_id, + dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_group_open(obj, loc_params, cls, name, gapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "unable to open group") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_group_get * * Purpose: Get specific information about the group through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_group_get(void *obj, const H5VL_class_t *cls, H5VL_group_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->group_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'group get' method") - va_start (arguments, req); - if((ret_value = (cls->group_cls.get) - (obj, get_type, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->group_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "group get failed") + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1133,33 +2401,72 @@ done: /*------------------------------------------------------------------------- - * Function: H5VL_group_specific + * Function: H5VLgroup_get * - * Purpose: specific operation on groups through the VOL + * Purpose: Gets information about the group + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLgroup_get(void *obj, hid_t plugin_id, H5VL_group_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVii**xx", obj, plugin_id, get_type, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->group_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `group get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->group_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute group get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL_group_specific * - * Return: Success: non negative + * Purpose: Specific operation on groups through the VOL * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_group_specific(void *obj, const H5VL_class_t *cls, H5VL_group_specific_t specific_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->group_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'group specific' method") - va_start (arguments, req); - if((ret_value = (cls->group_cls.specific) - (obj, specific_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->group_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute group specific callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1167,31 +2474,73 @@ done: /*------------------------------------------------------------------------- - * Function: H5VL_group_optional + * Function: H5VLgroup_specific * - * Purpose: optional operation specific to plugins. + * Purpose: Performs a plugin-specific operation on a group + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLgroup_specific(void *obj, hid_t plugin_id, H5VL_group_specific_t specific_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVji**xx", obj, plugin_id, specific_type, dxpl_id, req, + arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->group_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `group specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->group_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute group specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL_group_optional * - * Return: Success: non negative + * Purpose: Optional operation specific to plugins. * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_group_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_group_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->group_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'group optional' method") - va_start (arguments, req); - if((ret_value = (cls->group_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->group_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute group optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1199,31 +2548,71 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLgroup_optional + * + * Purpose: Performs an optional plugin-specific operation on a group + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLgroup_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->group_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `group optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->group_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute group optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_group_close * * Purpose: Closes a group through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_group_close(void *grp, const H5VL_class_t *cls, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ + /* Sanity check */ HDassert(grp); HDassert(cls); FUNC_ENTER_NOAPI(FAIL) /* Check if the corresponding VOL callback exists */ - if (NULL == cls->group_cls.close) + if(NULL == cls->group_cls.close) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'group close' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->group_cls.close)(grp, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "close failed") + if((cls->group_cls.close)(grp, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "group close failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1231,29 +2620,64 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLgroup_close + * + * Purpose: Closes a group + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLgroup_close(void *grp, hid_t plugin_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE4("e", "*xii**x", grp, plugin_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == grp) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_group_close(grp, cls, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "unable to close group") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLgroup_close() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_create * * Purpose: Creates a hard link through the VOL * - * Return: Non-negative on success/Negative on failure + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_link_create(H5VL_link_create_type_t create_type, void *obj, H5VL_loc_params_t loc_params, - const H5VL_class_t *cls, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req) + const H5VL_class_t *cls, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) - /* check if the corresponding VOL create callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.create) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link create' method") - /* call the corresponding VOL create callback */ - if((ret_value = (cls->link_cls.create) - (create_type, obj, loc_params, lcpl_id, lapl_id, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "link create failed") + + /* Call the corresponding VOL callback */ + if((cls->link_cls.create)(create_type, obj, loc_params, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, FAIL, "link create failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1261,32 +2685,67 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_create + * + * Purpose: Creates a hard link + * + * Note: The 'obj' parameter is allowed to be NULL + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_create(H5VL_link_create_type_t create_type, void *obj, H5VL_loc_params_t loc_params, + hid_t plugin_id, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE8("e", "Vk*xxiiii**x", create_type, obj, loc_params, plugin_id, lcpl_id, + lapl_id, dxpl_id, req); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_link_create(create_type, obj, loc_params, cls, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, FAIL, "unable to create link") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_create() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_copy * * Purpose: Copys a link from src to dst. * - * Return: Non-negative on success/Negative on failure + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_link_copy(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, - H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, - hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req) + H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, hid_t lcpl_id, + hid_t lapl_id, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) - /* check if the corresponding VOL copy callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.copy) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link copy' method") - /* call the corresponding VOL copy callback */ - if((ret_value = (cls->link_cls.copy) - (src_obj, loc_params1, dst_obj, loc_params2, lcpl_id, - lapl_id, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "link copy failed") + /* Call the corresponding VOL callback */ + if((cls->link_cls.copy)(src_obj, loc_params1, dst_obj, loc_params2, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOPY, FAIL, "link copy failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1294,32 +2753,68 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_copy + * + * Purpose: Copies a link to a new location + * + * Note: The 'src_obj' and 'dst_obj' parameters are allowed to be NULL + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_copy(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, + H5VL_loc_params_t loc_params2, hid_t plugin_id, hid_t lcpl_id, + hid_t lapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE9("e", "*xx*xxiiii**x", src_obj, loc_params1, dst_obj, loc_params2, + plugin_id, lcpl_id, lapl_id, dxpl_id, req); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_link_copy(src_obj, loc_params1, dst_obj, loc_params2, cls, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOPY, FAIL, "unable to copy object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_copy() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_move * * Purpose: Moves a link from src to dst. * - * Return: Non-negative on success/Negative on failure + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_link_move(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, - H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, - hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req) + H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, hid_t lcpl_id, + hid_t lapl_id, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) - /* check if the corresponding VOL move callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.move) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link move' method") - /* call the corresponding VOL move callback */ - if((ret_value = (cls->link_cls.move) - (src_obj, loc_params1, dst_obj, loc_params2, lcpl_id, - lapl_id, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "link move failed") + /* Call the corresponding VOL callback */ + if((cls->link_cls.move)(src_obj, loc_params1, dst_obj, loc_params2, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTMOVE, FAIL, "link move failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1327,33 +2822,70 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_move + * + * Purpose: Moves a link to another location + * + * Note: The 'src_obj' and 'dst_obj' parameters are allowed to be NULL + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_move(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, + H5VL_loc_params_t loc_params2, hid_t plugin_id, hid_t lcpl_id, + hid_t lapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE9("e", "*xx*xxiiii**x", src_obj, loc_params1, dst_obj, loc_params2, + plugin_id, lcpl_id, lapl_id, dxpl_id, req); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_link_move(src_obj, loc_params1, dst_obj, loc_params2, cls, lcpl_id, lapl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTMOVE, FAIL, "unable to move object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_move() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_get * * Purpose: Get specific information about the link through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_link_get(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_link_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link get' method") - va_start (arguments, req); - if((ret_value = (cls->link_cls.get) - (obj, loc_params, get_type, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->link_cls.get)(obj, loc_params, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "link get failed") + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1361,33 +2893,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_get + * + * Purpose: Gets information about a link + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_get(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, H5VL_link_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("e", "*xxiVli**xx", obj, loc_params, plugin_id, get_type, dxpl_id, req, + arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->link_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `link get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->link_cls.get)(obj, loc_params, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute link get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_specific * * Purpose: specific operation on links through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_link_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, - H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, ...) + H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link specific' method") - va_start (arguments, req); - if((ret_value = (cls->link_cls.specific) - (obj, loc_params, specific_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->link_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute link specific callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1395,31 +2967,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_specific + * + * Purpose: Performs a plugin-specific operation on a link + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_specific(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, + H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("e", "*xxiVmi**xx", obj, loc_params, plugin_id, specific_type, + dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->link_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `link specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->link_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute link specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_link_optional * * Purpose: optional operation specific to plugins. * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_link_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_link_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->link_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'link optional' method") - va_start (arguments, req); - if((ret_value = (cls->link_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->link_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute link optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1427,32 +3041,68 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLlink_optional + * + * Purpose: Performs an optional plugin-specific operation on a link + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLlink_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->link_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `link optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->link_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute link optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLlink_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_object_open * * Purpose: Opens a object through the VOL * - * Return: Success: User ID of the new object. - * + * Return: Success: Pointer to the object * Failure: NULL * *------------------------------------------------------------------------- */ void * H5VL_object_open(void *obj, H5VL_loc_params_t params, const H5VL_class_t *cls, H5I_type_t *opened_type, - hid_t dxpl_id, void **req) + hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL open callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->object_cls.open) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'object open' method") - /* call the corresponding VOL open callback */ - if(NULL == (ret_value = (cls->object_cls.open) - (obj, params, opened_type, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "open failed") + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->object_cls.open)(obj, params, opened_type, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "object open failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1460,35 +3110,71 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLobject_open + * + * Purpose: Opens an object + * + * Return: Success: Pointer to the object + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLobject_open(void *obj, H5VL_loc_params_t params, hid_t plugin_id, H5I_type_t *opened_type, + hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("*x", "*xxi*Iti**x", obj, params, plugin_id, opened_type, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_object_open(obj, params, cls, opened_type, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "unable to open object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLobject_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_object_copy * * Purpose: Copies an object to another destination through the VOL * - * Return: Success: Non Negative - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_object_copy(void *src_obj, H5VL_loc_params_t loc_params1, const H5VL_class_t *cls1, const char *src_name, - void *dst_obj, H5VL_loc_params_t loc_params2, const H5VL_class_t *cls2, const char *dst_name, - hid_t ocpypl_id, hid_t lcpl_id, hid_t dxpl_id, void **req) +H5VL_object_copy(void *src_obj, H5VL_loc_params_t loc_params1, const H5VL_class_t *cls1, + const char *src_name, void *dst_obj, H5VL_loc_params_t loc_params2, + const H5VL_class_t *cls2, const char *dst_name, hid_t ocpypl_id, + hid_t lcpl_id, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Make sure that the VOL plugins are the same */ - if (cls1->value != cls2->value) + if(cls1->value != cls2->value) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "Objects are accessed through different VOL plugins and can't be linked") + /* Check if the corresponding VOL callback exists */ if(NULL == cls1->object_cls.copy) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'object copy' method") - if((ret_value = (cls1->object_cls.copy) - (src_obj, loc_params1, src_name, dst_obj, loc_params2, dst_name, ocpypl_id, - lcpl_id, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "copy failed") + /* Call the corresponding VOL callback */ + if((cls1->object_cls.copy)(src_obj, loc_params1, src_name, dst_obj, loc_params2, dst_name, ocpypl_id, lcpl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOPY, FAIL, "object copy failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1496,33 +3182,75 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLobject_copy + * + * Purpose: Copies an object to another location + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLobject_copy(void *src_obj, H5VL_loc_params_t loc_params1, hid_t plugin_id1, + const char *src_name, void *dst_obj, H5VL_loc_params_t loc_params2, + hid_t plugin_id2, const char *dst_name, hid_t ocpypl_id, hid_t lcpl_id, + hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls1; /* VOL plugin's class struct */ + H5VL_class_t *cls2; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE12("e", "*xxi*s*xxi*siii**x", src_obj, loc_params1, plugin_id1, + src_name, dst_obj, loc_params2, plugin_id2, dst_name, ocpypl_id, + lcpl_id, dxpl_id, req); + + /* Check args and get class pointers */ + if(NULL == src_obj || NULL == dst_obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls1 = (H5VL_class_t *)H5I_object_verify(plugin_id1, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + if(NULL == (cls2 = (H5VL_class_t *)H5I_object_verify(plugin_id2, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_object_copy(src_obj, loc_params1, cls1, src_name, dst_obj, loc_params2, cls2, dst_name, ocpypl_id, lcpl_id, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOPY, FAIL, "unable to copy object") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLobject_copy() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_object_get * * Purpose: Get specific information about the object through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_object_get(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_object_get_t get_type, - hid_t dxpl_id, void **req, ...) +H5VL_object_get(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, + H5VL_object_get_t get_type, hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->object_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'object get' method") - va_start (arguments, req); - if((ret_value = (cls->object_cls.get) - (obj, loc_params, get_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->object_cls.get)(obj, loc_params, get_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1530,32 +3258,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLobject_get + * + * Purpose: Gets information about an object + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLobject_get(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, H5VL_object_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("e", "*xxiVni**xx", obj, loc_params, plugin_id, get_type, dxpl_id, req, + arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->object_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `object get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->object_cls.get)(obj, loc_params, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute object get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLobject_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_object_specific * * Purpose: specific operation on objects through the VOL * - * Return: Success: non negative - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_object_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, - H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, ...) + H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->object_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'object specific' method") - va_start (arguments, req); - if((ret_value = (cls->object_cls.specific) - (obj, loc_params, specific_type, dxpl_id, req, arguments)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "specific failed") - va_end (arguments); + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->object_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "object specific failed") + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1563,31 +3332,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLobject_specific + * + * Purpose: Performs a plugin-specific operation on an object + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLobject_specific(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, + H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("e", "*xxiVoi**xx", obj, loc_params, plugin_id, specific_type, + dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->object_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `object specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->object_cls.specific)(obj, loc_params, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute object specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLobject_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_object_optional * * Purpose: optional operation specific to plugins. * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_object_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_object_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->object_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'object optional' method") - va_start (arguments, req); - if((ret_value = (cls->object_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->object_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute object optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1595,33 +3406,69 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLobject_optional + * + * Purpose: Performs an optional plugin-specific operation on an object + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLobject_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->object_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `object optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->object_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute object optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLobject_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_commit * * Purpose: Commits a datatype to the file through the VOL * - * Return: Success: Positive - * - * Failure: Negative + * Return: Success: Pointer to the new datatype + * Failure: NULL * *------------------------------------------------------------------------- */ void * -H5VL_datatype_commit(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, - hid_t dxpl_id, void **req) +H5VL_datatype_commit(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, + const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, + hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the corresponding VOL commit callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->datatype_cls.commit) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "VOL plugin has no 'datatype commit' method") - /* call the corresponding VOL commit callback */ - if(NULL == (ret_value = (cls->datatype_cls.commit) - (obj, loc_params, name, type_id, lcpl_id, tcpl_id, tapl_id, dxpl_id, req))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "commit failed") + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->datatype_cls.commit)(obj, loc_params, name, type_id, lcpl_id, tcpl_id, tapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "datatype commit failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1629,31 +3476,66 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_commit + * + * Purpose: Commits a datatype to the file + * + * Return: Success: Pointer to the new datatype + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLdatatype_commit(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, + const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, + hid_t tapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE10("*x", "*xxi*siiiii**x", obj, loc_params, plugin_id, name, type_id, + lcpl_id, tcpl_id, tapl_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_datatype_commit(obj, loc_params, cls, name, type_id, lcpl_id, tcpl_id, tapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "unable to commit datatype") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_commit() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_open * * Purpose: Opens a named datatype through the VOL * - * Return: Success: User ID of the datatype. - * - * Failure: NULL + * Return: Success: Pointer to the datatype + * Failure: NULL * *------------------------------------------------------------------------- */ void * -H5VL_datatype_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, - hid_t tapl_id, hid_t dxpl_id, void **req) +H5VL_datatype_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, + const char *name, hid_t tapl_id, hid_t dxpl_id, void **req) { void *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) - /* check if the type specific corresponding VOL open callback exists */ + /* Check if the corresponding VOL callback exists */ if(NULL == cls->datatype_cls.open) HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "no datatype open callback") - /* call the corresponding VOL open callback */ - if(NULL == (ret_value = (cls->datatype_cls.open) - (obj, loc_params, name, tapl_id, dxpl_id, req))) + /* Call the corresponding VOL callback */ + if(NULL == (ret_value = (cls->datatype_cls.open) (obj, loc_params, name, tapl_id, dxpl_id, req))) HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "open failed") done: @@ -1662,32 +3544,69 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_open + * + * Purpose: Opens a named datatype + * + * Return: Success: Pointer to the datatype + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VLdatatype_open(void *obj, H5VL_loc_params_t loc_params, hid_t plugin_id, + const char *name, hid_t tapl_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE7("*x", "*xxi*sii**x", obj, loc_params, plugin_id, name, tapl_id, + dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(NULL == (ret_value = H5VL_datatype_open(obj, loc_params, cls, name, tapl_id, dxpl_id, req))) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPENOBJ, NULL, "unable to open datatype") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_open() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_get * * Purpose: Get specific information about the datatype through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_datatype_get(void *obj, const H5VL_class_t *cls, H5VL_datatype_get_t get_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Check if the corresponding VOL callback exists */ - if (NULL == cls->datatype_cls.get) + if(NULL == cls->datatype_cls.get) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'datatype get' method") - va_start (arguments, req); /* Call the corresponding VOL callback */ - if ((ret_value = (cls->datatype_cls.get)(obj, get_type, dxpl_id, req, arguments)) < 0) + va_start(arguments, req); + if((cls->datatype_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "get failed") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1695,33 +3614,72 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_get + * + * Purpose: Gets information about the datatype + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdatatype_get(void *obj, hid_t plugin_id, H5VL_datatype_get_t get_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVei**xx", obj, plugin_id, get_type, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->datatype_cls.get) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `datatype get' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->datatype_cls.get)(obj, get_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "Unable to execute datatype get callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_get() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_specific * * Purpose: specific operation on datatypes through the VOL * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_datatype_specific(void *obj, const H5VL_class_t *cls, H5VL_datatype_specific_t specific_type, - hid_t dxpl_id, void **req, ...) + hid_t dxpl_id, void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->datatype_cls.specific) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'datatype specific' method") - va_start (arguments, req); - if((ret_value = (cls->datatype_cls.specific) - (obj, specific_type, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->datatype_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute datatype specific callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1729,31 +3687,73 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_specific + * + * Purpose: Performs a plugin-specific operation on a datatype + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdatatype_specific(void *obj, hid_t plugin_id, H5VL_datatype_specific_t specific_type, + hid_t dxpl_id, void **req, va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE6("e", "*xiVfi**xx", obj, plugin_id, specific_type, dxpl_id, req, + arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->datatype_cls.specific) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `datatype specific' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->datatype_cls.specific)(obj, specific_type, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute datatype specific callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_specific() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_optional * * Purpose: optional operation specific to plugins. * - * Return: Success: non negative - * - * Failure: negative + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t -H5VL_datatype_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...) +H5VL_datatype_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, + void **req, ...) { - va_list arguments; /* argument list passed from the API call */ - herr_t ret_value = SUCCEED; + va_list arguments; /* Argument list passed from the API call */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Check if the corresponding VOL callback exists */ if(NULL == cls->datatype_cls.optional) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'datatype optional' method") - va_start (arguments, req); - if((ret_value = (cls->datatype_cls.optional)(obj, dxpl_id, req, arguments)) < 0) + /* Call the corresponding VOL callback */ + va_start(arguments, req); + if((cls->datatype_cls.optional)(obj, dxpl_id, req, arguments) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute datatype optional callback") - va_end (arguments); + va_end(arguments); done: FUNC_LEAVE_NOAPI(ret_value) @@ -1761,28 +3761,68 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_optional + * + * Purpose: Performs an optional plugin-specific operation on a datatype + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdatatype_optional(void *obj, hid_t plugin_id, hid_t dxpl_id, void **req, + va_list arguments) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE5("e", "*xii**xx", obj, plugin_id, dxpl_id, req, arguments); + + /* Check args and get class pointer */ + if(NULL == obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Check if the corresponding VOL callback exists */ + if(NULL == cls->datatype_cls.optional) + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no `datatype optional' method") + + /* Bypass the H5VLint layer, calling the VOL callback directly */ + if((cls->datatype_cls.optional)(obj, dxpl_id, req, arguments) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTOPERATE, FAIL, "Unable to execute datatype optional callback") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_optional() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_datatype_close * * Purpose: Closes a datatype through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_datatype_close(void *dt, const H5VL_class_t *cls, hid_t dxpl_id, void **req) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Check if the corresponding VOL callback exists */ - if (NULL == cls->datatype_cls.close) + if(NULL == cls->datatype_cls.close) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'datatype close' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->datatype_cls.close)(dt, dxpl_id, req)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "close failed") + if((cls->datatype_cls.close)(dt, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "datatype close failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1790,31 +3830,67 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLdatatype_close + * + * Purpose: Closes a datatype + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLdatatype_close(void *dt, hid_t plugin_id, hid_t dxpl_id, void **req) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE4("e", "*xii**x", dt, plugin_id, dxpl_id, req); + + /* Check args and get class pointer */ + if(NULL == dt) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object") + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_datatype_close(dt, cls, dxpl_id, req) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCLOSEOBJ, FAIL, "unable to close datatype") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLdatatype_close() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_request_cancel * * Purpose: Cancels an asynchronous request through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_request_cancel(void **req, const H5VL_class_t *cls, H5ES_status_t *status) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Sanity check */ HDassert(req); HDassert(cls); HDassert(status); /* Check if the corresponding VOL callback exists */ - if (NULL == cls->async_cls.cancel) + if(NULL == cls->async_cls.cancel) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'async cancel' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->async_cls.cancel)(req, status)) < 0) + if((cls->async_cls.cancel)(req, status) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "request cancel failed") done: @@ -1823,32 +3899,66 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLrequest_cancel + * + * Purpose: Cancels a request + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLrequest_cancel(void **req, hid_t plugin_id, H5ES_status_t *status) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("e", "**xi*Es", req, plugin_id, status); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_request_cancel(req, cls, status) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "unable to cancel request") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLrequest_cancel() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_request_test * * Purpose: Tests an asynchronous request through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_request_test(void **req, const H5VL_class_t *cls, H5ES_status_t *status) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Sanity checks */ HDassert(req); HDassert(cls); HDassert(status); /* Check if the corresponding VOL callback exists */ - if (NULL == cls->async_cls.test) + if(NULL == cls->async_cls.test) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'async test' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->async_cls.test)(req, status)) < 0) - HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "request test failed") + if((cls->async_cls.test)(req, status) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "request test failed") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1856,35 +3966,100 @@ done: /*------------------------------------------------------------------------- + * Function: H5VLrequest_test + * + * Purpose: Tests a request + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLrequest_test(void **req, hid_t plugin_id, H5ES_status_t *status) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("e", "**xi*Es", req, plugin_id, status); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_request_test(req, cls, status) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "unable to test request") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLrequest_test() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_request_wait * * Purpose: Waits on an asychronous request through the VOL * - * Return: SUCCEED/FAIL + * Return: Success: Non-negative + * Failure: Negative * *------------------------------------------------------------------------- */ herr_t H5VL_request_wait(void **req, const H5VL_class_t *cls, H5ES_status_t *status) { - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) + /* Sanity checks */ HDassert(req); HDassert(cls); HDassert(status); /* Check if the corresponding VOL callback exists */ - if (NULL == cls->async_cls.wait) + if(NULL == cls->async_cls.wait) HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "VOL plugin has no 'async wait' method") /* Call the corresponding VOL callback */ - if ((ret_value = (cls->async_cls.wait)(req, status)) < 0) + if((cls->async_cls.wait)(req, status) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "request wait failed") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5VL_request_wait() */ + +/*------------------------------------------------------------------------- + * Function: H5VLrequest_wait + * + * Purpose: Waits on a request + * + * Return: Success: Non-negative + * Failure: Negative + * + *------------------------------------------------------------------------- + */ +herr_t +H5VLrequest_wait(void **req, hid_t plugin_id, H5ES_status_t *status) +{ + H5VL_class_t *cls; /* VOL plugin's class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API_NOINIT + H5TRACE3("e", "**xi*Es", req, plugin_id, status); + + /* Get class pointer */ + if(NULL == (cls = (H5VL_class_t *)H5I_object_verify(plugin_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") + + /* Call the corresponding internal VOL routine */ + if(H5VL_request_wait(req, cls, status) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTRELEASE, FAIL, "unable to wait on request") + +done: + FUNC_LEAVE_API_NOINIT(ret_value) +} /* end H5VLrequest_wait() */ |